C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
C25B 1/20 (2006.01) C01B 11/14 (2006.01) C01D 3/04 (2006.01) C25B 1/34 (2006.01) C25B 15/08 (2006.01)
Patent
CA 2092651
The invention concerns a method for producing an alkali metal hydroxide by a chlor-alkali. electrolysis (1), wherein an alkali metal chloride solution is electrolyzed in order to form alkali metal hydroxide, chlorine and hydrogen, wherein at least a part of the alkali metal chloride used in the electrolysis is prepared by neutralizing (2) an alkali metal carbonate with chlorine or hydrogen chloride.
Keskitalo Erkki M.
Suonperae Timo K.
Ukkonen Keijo A.
Eka Chemicals Oy
Gowling Lafleur Henderson Llp
Veitsiluoto Oy
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